A 70-year-old man has appeared in court charged with murdering his wife and daughter on Monday evening.
The bodies of Jean Redfern, 67, and Sarah Redfern, 33, were found at a house on Sandygate, Wath-upon-Dearne.
South Yorkshire Police said Mrs Redfern died from asphyxiation and Sarah Redfern from severe head injuries.
Peter Redfern appeared at Rotherham Magistrates' Court earlier. He was remanded in custody to appear at Sheffield Crown Court on 7 August.
The property on Sandygate remains cordoned off while the police investigation continues.
In a statement released by the women's family they said they had been left "devastated" by their deaths
It read: "Jean was a much loved sister and aunt.
"Sarah was a wonderful, kind and loving niece and cousin.
"We are at a loss to know why they died, but ask as a family that we are allowed to grieve and try to come to terms with what has happened."